From slate or clay-tile roofing to copper gutters to precision ornamental metal work, The Durable Slate Company can handle any specialty roofing project of any size, anywhere. Whether small or large, all roof repairs receive the same attention and commitment to quality. You'll love our work.
John Chan, a principal of The Durable Slate Company, is a roof consultant certified by Haag Engineering. John is certified in all types of steep roofing including slate, tile, metal, wood, and composition, as well as commercial flat roofing. This certification also covers damage caused by hail, wind, and storm damage. As President of the National Slate Association (NSA), John is a leading expert in all aspects of slate roofing.
John’s other certifications include:
John has provided expert witness testimony in numerous court cases for both prosecution and defense. References and CV can be provided upon request. Fees are negotiated on a case by case basis.